Features
Tulips, Pigs and Eternal Graffiti: Bitcoin’s Colourful Week
This week John Law grapples with Tulip Mania, block chain graffiti and the murky world of FUD.

BitGo Safe Aims to Secure Bitcoin Wallets With Multi-Signature Transactions
BitGo's bitcoin wallet offers multi-signature transactions, designed to protect bitcoins from being stolen, and private keys from being lost.

Following the Money: Are Bitcoin Black Market Purchases Really Anonymous?
Researcher Sarah Meiklejohn discusses whether Silk Road's users can be prosecuted and if illegal bitcoin transactions are truly 'anonymous'.

Bitcoin Ideology and the Tale of Casascius Coins
Mailing bitcoin private keys on a coin-shaped metal disc could be considered money transmission in the US.

SecondMarket’s Bitcoin Investment Trust Amasses $61.1 Million in 3 Months
The Bitcoin Investment Trust has grown 575% in value since its inception, closely tracking bitcoin's own volatile value.

Mt. Gox Bitcoin Price Volatility is up to 50% Higher Than Rival Exchanges
Restrictions on US dollar withdrawals has led to bitcoin trading at a higher price on Mt. Gox.

Radeon GPUs in Demand as Litecoin Mining Difficulty Increases
ASICs are a no-brainer when it comes to bitcoin, however litecoin is a different story.

Bitcoin and Intrinsic Value: a Layman’s Response to Alan Greenspan
Matt Mihaly, a huge Bitcoin fan, responds to Alan Greenspan's comments that the currency has "no intrinsic value".

Social Experiment: Twitter Users Prefer Bitcoin to Hard Cash
Andrew Torba's social media experiment indicates that both bitcoin enthusiasts and non-users see value in the cryptocurrency.

Quantifying Price Fragmentation Across Bitcoin's Biggest Exchanges
One feature of bitcoin that clearly demarcates it from other currencies is its dramatic variation in price across exchanges.
